ADENOSINE KINASE DEFICIENCY | |
Hypermethionia due to adenosine kinase deficiency | |
614300
OMIM = Online Mendelian Inheritance of Men | |
289290 | |
adenosine kinase | |
2.7.1.20 | |
10q22.2 |
|
E72.1 | |
very rare (6 cases) autosomal recessive mutation in the ADK gene | |
Laboratory findings | Methionine inc (plasma) S-Adenosylmethionine inc (plasma) Adenosine inc (urine) Adenosine inc (plasma) Bilirubin, conjugated inc (serum) Creatine kinase normal/inc (plasma) D-Glucose dec (plasma) Homocysteine normal/inc (plasma) S-Adenosylhomocysteine inc (plasma) |
Symptoms | cardiac involvement, cardiac defects cholestasis developmental delay failure to thrive frontal bossing hearing defect, deafness hyperinsulinism hypertelorism hypoglycemia hypotonia liver involvement or dysfunction macrocephaly (large calvaria, >2 SD for age) mental retardation muscle weakness onset, infancy onset, neonatal seizures |